package com.itheima.test1;

public class Test1Polymorphic {
    public static void main(String[] args) {
        // 当前事物，是一只动物
        Animal a = new Cat();
        // 当前事物，是一只猫
        Cat c = new Cat();

        a.eat();
    }
}

class Animal {
    public void eat() {
        System.out.println("动物吃饭");
    }
}

class Cat extends Animal {
    @Override
    public void eat() {
        System.out.println("猫吃鱼");
    }
}
